and now, streaming live from northern california. >>reporter: yes, the banks are about to break any moment now, 12 hours ago there was torrential rain it looked to be tidal waves which is an exaggeration but so much fell from the scion the third storm that came through it was almost as much as the two storms previously combined. now, that is in the ground and bright skies behind me this afternoon, in sacramento they saw some heavy rain and the locals are being philosophical. >> it will be three or four high across the front the garage doors and the same on the back and hopefully the tarps will go up and around the tarps. if the river comes over the banks, we are used to it. it is not the first flood we have gone through. >>reporter: no idea what the scale of damage is that we will see. in the napa valley, seven years ago, there was massive damage there, 1,000 homes affected. the map shows the three main rivers are the napa river, and the russian river as you mentioned, and, also, the truckee river in nevada and they expected there wa